Home / 8,445.33-11,653.91-4,668.12

Finding the Fourth Proportional to 8,445.33, 11,653.91 and 4,668.12

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Solution

The fourth proportional to 8,445.33, 11,653.91 and 4,668.12 is: 6,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.33 : 11,653.91 = 4,668.12 : x
  2. Step 2: Convert to fraction form
    8,445.33/11,653.91 = 4,668.12/x
  3. Step 3: Cross multiply
    8,445.33x = 11,653.91 × 4,668.12
  4. Step 4: Simplify right side
    8,445.33x = 54,401,850.35
  5. Step 5: Solve for x
    x = 54,401,850.35/8,445.33
  6. Step 6: Final answer
    x = 6,441.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.